发明名称 OPTIMIZED TIME ACQUISITION ALGORITHM FOR LOW-POWER GPS-BASED WATCH APPLICATIONS
摘要 A GPS enabled timepiece. A Global Positioning System (GPS) enabled timepiece in accordance with the present invention comprises a timepiece, the timepiece comprising a local oscillator, and a GPS receiver, coupled to the timepiece, the GPS receiver using the local oscillator to predict a time arrival of a GPS message from a GPS satellite, wherein the GPS receiver is powered on based on the predicted time.
申请公布号 US2008074950(A1) 申请公布日期 2008.03.27
申请号 US20070835914 申请日期 2007.08.08
申请人 发明人 ROSTROM JUHA TAPANI
分类号 G04C99/00;G01S1/00;G04G5/00;G04G21/04 主分类号 G04C99/00
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